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Explosion-proof HVAC system for process analyzer shelters

| By Tracey Lilly

Intertec Instrumentation

Intertec Instrumentation

This ATEX-compliant HVAC (heating, ventilation and air-conditioning) system (photo) provides a complete all-in-one climate-control and personnel-safety solution for walk-in style process-analytical instrumentation shelters. It is customizable and scaleable to suit a broad range of applications, and can be supplied fully integrated within the shelter or as an external standalone unit. Designed specifically for hazardous-area applications up to Zone 1, the system delivers a steady flow of conditioned and filtered clean air to the shelter, maintaining it slightly above atmospheric pressure to prevent the ingress of dust or gas. It is especially suitable in plants that operate in extremely hot or cold climates, or where atmospheric contaminants pose safety, health or corrosion issues with conventional through-flow air-conditioning systems. — Intertec Instrumentation Ltd., Sarnia, Ont., Canada.